- photomultiplier counter
- счетчик с фотоумножителем; сцинтилляционный счетчик
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
photomultiplier counter
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Photomultiplier — tubes (photomultipliers or PMTs for short), members of the class of vacuum tubes, and more specifically phototubes, are extremely sensitive detectors of light in the ultraviolet, visible, and near infrared ranges of the electromagnetic spectrum.… … Wikipedia
counter — A device that counts, usually scintillations. automated differential leukocyte c. an instrument using digital imaging or cytochemical techniques to differentiate leukocytes. electronic cell c. an automatic blood cell c. in which cells passing… … Medical dictionary
Scintillation counter — A scintillation counter measures ionizing radiation. The sensor, called a scintillator, consists of a transparent crystal, usually phosphor, plastic (usually containing anthracene), or organic liquid (see liquid scintillation counting) that… … Wikipedia
Geiger counter — Infobox Laboratory equipment name = Geiger counter caption = A modern geiger counter acronym = other names = Geiger Müller counter uses = Particle detector inventor = Hans Geiger manufacturer = model = related = Geiger Müller tubeA Geiger counter … Wikipedia
scintillation counter — n a device for detecting and registering individual scintillations (as in radioactive emission) called also scintillometer * * * a device to measure and record the fluorescent flashes in a scintillator exposed to high energy radiation. * * * an… … Medical dictionary
scintillation counter — a device for detecting and measuring radioactivity, having a crystal scintillator, a photoelectric cell sensitive to the light from scintillations, and an amplifier. Also called scintillometer /sin tl om i teuhr/. [1945 50] * * * ▪ instrument… … Universalium
scintillation counter — noun A detector of particles and ionizing radiation which uses a photomultiplier to generate flashes of light … Wiktionary
radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… … Universalium
X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… … Wikipedia
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
